From 687f95c7e91e2d49c147518e4d9bdb7dcdb86ae1 Mon Sep 17 00:00:00 2001
From: eatmoreapple <15055461510@163.com>
Date: Thu, 11 Nov 2021 15:19:57 +0800
Subject: [PATCH] :poop: update getFileExt

---
 parser.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/parser.go b/parser.go
index 0d5c3ec..af013cd 100644
--- a/parser.go
+++ b/parser.go
@@ -7,6 +7,7 @@ import (
 	"math/rand"
 	"mime/multipart"
 	"net/http"
+	"path/filepath"
 	"reflect"
 	"strconv"
 	"strings"
@@ -63,11 +64,11 @@ func GetFileContentType(file multipart.File) (string, error) {
 }
 
 func getFileExt(name string) string {
-	results := strings.Split(name, ".")
-	if len(results) == 1 {
-		return "undefined"
+	ext := filepath.Ext(name)
+	if len(ext) == 0 {
+		ext = "undefined"
 	}
-	return results[len(results)-1]
+	return ext
 }
 
 const (